Error code
OBD2 P0726
OBD2P0726
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Engine Speed Input Circuit Range/Performance.
Severity
moderateCan drive, but performance may be affected and there could be transmission issues.
Summary
P0726 indicates an issue with the engine RPM input circuit, which is related to the crankshaft or camshaft position sensor (CKP/RPM sensor). This problem can affect the transmission system.
Common Causes
- Wiring issues in the CKP/RPM sensor circuit
- Faulty CKP/RPM sensor
Fixes
- Inspect and repair any damaged wiring in the CKP/RPM sensor circuit.
- Replace a faulty CKP/RPM sensor if necessary.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
- P0700Transmission Control System (MIL Request)
- P0701Transmission Control System Range/Performance
- P0702Transmission Control System Electrical
- P0703Brake Switch 'B' Circuit
- P0704Clutch Switch Input Circuit Malfunction
- P0705Transmission Range Sensor Circuit Malfunction (PRNDL Input)
- P0706Transmission Range Sensor Circuit Range/Performance
- P0707Transmission Range Sensor Circuit Low
- P0708Transmission Range Sensor Circuit High
- P0709Transmission Range Sensor Circuit Intermittent
- P0710Transmission Fluid Temperature Sensor 'A' Circuit
- P0711Transmission Fluid Temperature Sensor 'A' Circuit Range/Performance